Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-ie0-f169.google.com ([209.85.223.169]:60741 "EHLO mail-ie0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754470AbaDRSqN (ORCPT ); Fri, 18 Apr 2014 14:46:13 -0400 Received: by mail-ie0-f169.google.com with SMTP id to1so1895294ieb.14 for ; Fri, 18 Apr 2014 11:46:13 -0700 (PDT) From: Trond Myklebust To: Bruce Fields Cc: linux-nfs@vger.kernel.org Subject: [PATCH 44/70] NFSd: nfsd4_open_confirm() must reference the open stateid Date: Fri, 18 Apr 2014 14:44:38 -0400 Message-Id: <1397846704-14567-45-git-send-email-trond.myklebust@primarydata.com> In-Reply-To: <1397846704-14567-44-git-send-email-trond.myklebust@primarydata.com> References: <1397846704-14567-1-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-2-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-3-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-4-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-5-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-6-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-7-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-8-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-9-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-10-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-11-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-12-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-13-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-14-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-15-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-16-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-17-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-18-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-19-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-20-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-21-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-22-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-23-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-24-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-25-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-26-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-27-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-28-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-29-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-30-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-31-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-32-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-33-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-34-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-35-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-36-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-37-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-38-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-39-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-40-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-41-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-42-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-43-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-44-git-send-email-trond.myklebust@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Ensure that nfsd4_open_confirm() keeps a reference to the open stateid until it is done working with it. Signed-off-by: Trond Myklebust --- fs/nfsd/nfs4state.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 78dfc3ce98a1..517e08818df6 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4144,10 +4144,12 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, NFS4_OPEN_STID, &stp, nn); if (status) goto out; + /* FIXME: move into nfs4_preprocess_seqid_op */ + atomic_inc(&stp->st_stid.sc_count); oo = openowner(stp->st_stateowner); status = nfserr_bad_stateid; if (oo->oo_flags & NFS4_OO_CONFIRMED) - goto out; + goto put_stateid; oo->oo_flags |= NFS4_OO_CONFIRMED; update_stateid(&stp->st_stid.sc_stateid); memcpy(&oc->oc_resp_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t)); @@ -4156,6 +4158,8 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, nfsd4_client_record_create(oo->oo_owner.so_client); status = nfs_ok; +put_stateid: + put_generic_stateid(stp); out: nfsd4_bump_seqid(cstate, status); nfs4_unlock_state(); -- 1.9.0